FR1143245A - Dispositif indicateur - Google Patents

Dispositif indicateur

Info

Publication number
FR1143245A
FR1143245A FR1143245DA FR1143245A FR 1143245 A FR1143245 A FR 1143245A FR 1143245D A FR1143245D A FR 1143245DA FR 1143245 A FR1143245 A FR 1143245A
Authority
FR
France
Prior art keywords
indicator device
indicator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1143245A publication Critical patent/FR1143245A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/2033—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature details of the sensing element
    • G05D23/2034—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature details of the sensing element the sensing element being a semiconductor
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1296—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the feedback circuit comprising a transformer

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Automation & Control Theory (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Networks Using Active Elements (AREA)
FR1143245D 1954-12-13 1955-12-12 Dispositif indicateur Expired FR1143245A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2870310X 1954-12-13

Publications (1)

Publication Number Publication Date
FR1143245A true FR1143245A (fr) 1957-09-27

Family

ID=19876106

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1143245D Expired FR1143245A (fr) 1954-12-13 1955-12-12 Dispositif indicateur

Country Status (4)

Country Link
US (1) US2870310A (de)
DE (1) DE1038954B (de)
FR (1) FR1143245A (de)
NL (1) NL193175A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1108113B (de) * 1958-03-26 1961-05-31 Siemens Ag Einrichtung zur Messung und betriebs-maessigen UEberwachung von Temperaturen am rotierenden Laeufer von elektrischen Maschinen oder anderen umlaufenden Koerpern
US2975260A (en) * 1958-04-14 1961-03-14 Cons Electrodynamics Corp Electrical heater control circuits
US2967924A (en) * 1958-06-12 1961-01-10 Clifford K Friend Stable temperature reference for instrument use
US3017521A (en) * 1958-07-01 1962-01-16 Magnavox Co Transistor circuit for producing a pulse output for each input signal peak
US2984729A (en) * 1958-11-10 1961-05-16 Collins Radio Co Multivibrator type oven control
NL101482C (de) * 1958-12-02
US3159798A (en) * 1958-12-04 1964-12-01 Gen Precision Inc Microwave modulator
US3300623A (en) * 1959-05-27 1967-01-24 Automatic Elect Lab Crystal oven heating and control system
US3089034A (en) * 1960-08-30 1963-05-07 Robert C Meade Light sensitive detection circuit
US3333086A (en) * 1961-10-05 1967-07-25 Robertshaw Controls Co Temperature control apparatus and method
US3433918A (en) * 1966-09-02 1969-03-18 Park Ohio Industries Inc Ground detector
US3982503A (en) * 1972-08-23 1976-09-28 The Bendix Corporation Air density computer for an internal combustion engine fuel control system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402662A (en) * 1941-05-27 1946-06-25 Bell Telephone Labor Inc Light-sensitive electric device
US2696739A (en) * 1951-07-05 1954-12-14 Rca Corp Temperature responsive semiconductor circuits
US2757243A (en) * 1951-09-17 1956-07-31 Bell Telephone Labor Inc Transistor circuits
US2731564A (en) * 1951-11-05 1956-01-17 Edelstein Harold Barium titanate temperature control
US2702838A (en) * 1951-11-15 1955-02-22 Bell Telephone Labor Inc Semiconductor signal translating device
DE930239C (de) * 1952-10-28 1955-07-11 Alfons Dipl-Phys Haehnlein Anordnung zur Anzeige, Messung oder Kontrolle von Temperaturen und Waermemengen
NL99544C (de) * 1953-01-22
US2778942A (en) * 1954-07-09 1957-01-22 Honeywell Regulator Co Electrical control apparatus

Also Published As

Publication number Publication date
NL193175A (de)
DE1038954B (de) 1958-09-11
US2870310A (en) 1959-01-20

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